<template lang="pug">
.w-card(:class="classes")
  .w-card__title(
    v-if="$slots.title"
    :class="{ 'w-card__title--has-toolbar': $slots.title && titleHasToolbar, ...titleClasses }")
    slot(name="title")
  .w-card__title(
    v-else-if="title"
    v-html="title"
    :class="{ 'w-card__title--has-toolbar': $slots.title && titleHasToolbar, ...titleClasses }")
  w-image.w-card__image(v-if="image" :src="image" v-bind="imgProps")
    slot(name="image-content")
  .w-card__content(:class="contentClasses")
    slot
  .w-card__actions(
    v-if="$slots.actions"
    :class="{ 'w-card__actions--has-toolbar': actionsHasToolbar }")
    slot(name="actions")
</template>

<script>
import { objectifyClasses } from '../utils/index'

export default {
  name: 'w-card',

  props: {
    color: { type: String },
    bgColor: { type: String },
    shadow: { type: Boolean },
    noBorder: { type: Boolean },
    tile: { type: Boolean },
    title: { type: String },
    image: { type: String },
    imageProps: { type: Object },
    titleClass: { type: [String, Object, Array] },
    contentClass: { type: [String, Object, Array] },
    dark: { type: Boolean },
    light: { type: Boolean }
  },

  emits: [],

  computed: {
    titleClasses () {
      return objectifyClasses(this.titleClass)
    },

    contentClasses () {
      return objectifyClasses(this.contentClass)
    },

    titleHasToolbar () {
      const { title } = this.$slots
      return title && title().map(vnode => vnode.type.name).join('').includes('w-toolbar')
    },

    actionsHasToolbar () {
      const { actions } = this.$slots
      return actions && actions().map(vnode => vnode.type.name).join('').includes('w-toolbar')
    },

    imgProps () {
      return {
        tag: 'div',
        ratio: 1 / 2,
        ...this.imageProps
      }
    },

    classes () {
      return {
        [this.color]: this.color,
        [`${this.bgColor}--bg`]: this.bgColor,
        'w-card--no-border': this.noBorder,
        'w-card--tile': this.tile,
        'w-card--shadow': this.shadow,
        'w-card--dark': this.dark,
        'w-card--light': this.light
      }
    }
  }
}
</script>

<style lang="scss">
.w-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: $border-radius;
  border: $border;

  @include themeable;

  &--tile {border-radius: 0;}
  &--shadow {box-shadow: $box-shadow;}
  &--no-border, &--shadow {border: none;}

  &__title {
    display: flex;
    align-items: center;
    padding: (2 * $base-increment) (3 * $base-increment);
    font-size: 1.3em;
    border-bottom: $border;
    border-top-left-radius: inherit;
    border-top-right-radius: inherit;

    &--has-toolbar {padding: 0;border-bottom: none;}
  }

  // When there is no title apply the border radius to the image.
  &__image:first-child {
    border-top-left-radius: inherit;
    border-top-right-radius: inherit;
    overflow: hidden;
  }

  &__content {
    padding: 3 * $base-increment;
    flex-grow: 1;

    // Only if there is no title bar.
    &:first-child {
      border-top-left-radius: inherit;
      border-top-right-radius: inherit;
    }
    &:last-child {
    // Only if there is no actions bar.
      border-bottom-left-radius: inherit;
      border-bottom-right-radius: inherit;
    }
  }

  &__actions {
    display: flex;
    padding: (2 * $base-increment) (3 * $base-increment) (3 * $base-increment);
    border-bottom-left-radius: inherit;
    border-bottom-right-radius: inherit;

    &--has-toolbar {padding: 0;}
  }
}
</style>
